From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB5D02FA624; Tue, 17 Jun 2025 16:57:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750179478; cv=none; b=GjV8i6yGXpZ+OR2SaDJCE/b/oTzLgVL/yiI09zSRJYuQ0MEKAtKQ2sZ2HIDXBAewCatA0WCcQkwB1//LHbxLyUshqnf9O1zpgDvGubCKTHUTtBW8H8q644alItDASzZ11N0cmMeUY5Gnf2UDAHzCNWAU0nvAU7IknxIzVBX4+/g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750179478; c=relaxed/simple; bh=tQXjlStfPU9KJCqDJpQIka2l65II/vZKODV+Fa6GOJ0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=KHCfmwBkjC5MC5JIHfEGM9opvr+1pMKrf17peJ8xNo3wVyRIBlLPsaRn4WrSlX9Z0kTS2Qsb0DYkPHSDXAx2nQe6c2t5b6jwcPMF4uXB8QyjoC2KvAmDWsh6J1WU2rubeibwsTCxRpqdAH6iGTCQR8NHAJE6/tmYWBws+GGYDWI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=eJxxs3oR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="eJxxs3oR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1C089C4CEE3; Tue, 17 Jun 2025 16:57:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750179478; bh=tQXjlStfPU9KJCqDJpQIka2l65II/vZKODV+Fa6GOJ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eJxxs3oR08sOHfrma4INmUQMZcbwQ8QMIMt+/jynUi6K0FKTjPpL7g7WrluqRPKEI zgFmLI/FmwSQVrJstNe9ZISsiiVYVMPFqVPzU0aISiDqueXCwCQJ2hYH78T8NYIo46 /GcZTCVVq14yAaIS3cQoNC3I2Z3q5EXO/MMSY248= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable , Pawel Laszczak , Peter Chen Subject: [PATCH 6.15 758/780] usb: cdnsp: Fix issue with detecting USB 3.2 speed Date: Tue, 17 Jun 2025 17:27:46 +0200 Message-ID: <20250617152522.375115452@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250617152451.485330293@linuxfoundation.org> References: <20250617152451.485330293@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pawel Laszczak commit 2852788cfbe9ca1ab68509d65804413871f741f9 upstream. Patch adds support for detecting SuperSpeedPlus Gen1 x2 and SuperSpeedPlus Gen2 x2 speed. Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver") Cc: stable Signed-off-by: Pawel Laszczak Acked-by: Peter Chen Link: https://lore.kernel.org/r/PH7PR07MB95387AD98EDCA695FECE52BADD96A@PH7PR07MB9538.namprd07.prod.outlook.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/cdns3/cdnsp-gadget.c | 3 ++- drivers/usb/cdns3/cdnsp-gadget.h | 4 ++++ 2 files changed, 6 insertions(+), 1 deletion(-) --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -29,7 +29,8 @@ unsigned int cdnsp_port_speed(unsigned int port_status) { /*Detect gadget speed based on PORTSC register*/ - if (DEV_SUPERSPEEDPLUS(port_status)) + if (DEV_SUPERSPEEDPLUS(port_status) || + DEV_SSP_GEN1x2(port_status) || DEV_SSP_GEN2x2(port_status)) return USB_SPEED_SUPER_PLUS; else if (DEV_SUPERSPEED(port_status)) return USB_SPEED_SUPER; --- a/drivers/usb/cdns3/cdnsp-gadget.h +++ b/drivers/usb/cdns3/cdnsp-gadget.h @@ -285,11 +285,15 @@ struct cdnsp_port_regs { #define XDEV_HS (0x3 << 10) #define XDEV_SS (0x4 << 10) #define XDEV_SSP (0x5 << 10) +#define XDEV_SSP1x2 (0x6 << 10) +#define XDEV_SSP2x2 (0x7 << 10) #define DEV_UNDEFSPEED(p) (((p) & DEV_SPEED_MASK) == (0x0 << 10)) #define DEV_FULLSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_FS) #define DEV_HIGHSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_HS) #define DEV_SUPERSPEED(p) (((p) & DEV_SPEED_MASK) == XDEV_SS) #define DEV_SUPERSPEEDPLUS(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP) +#define DEV_SSP_GEN1x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP1x2) +#define DEV_SSP_GEN2x2(p) (((p) & DEV_SPEED_MASK) == XDEV_SSP2x2) #define DEV_SUPERSPEED_ANY(p) (((p) & DEV_SPEED_MASK) >= XDEV_SS) #define DEV_PORT_SPEED(p) (((p) >> 10) & 0x0f) /* Port Link State Write Strobe - set this when changing link state */